Acts 7:6

And God spoke in this way, that his seed would be a tenant in another land, and that they would enslave it and oppress it four hundred years.

Genesis 15:13

And He said to Abram, You must surely know that your seed shall be a stranger in a land not theirs, and shall serve them. And they shall afflict them four hundred years.

Genesis 15:16

But in the fourth generation they shall come here again, for the iniquity of the Amorites is not yet full.

Exodus 12:40-41

And the time that the sons of Israel lived in Egypt was four hundred and thirty years.

Galatians 3:17

And I say this, A covenant having been ratified by God in Christ, the Law (coming into being four hundred and thirty years after) does not annul the promise, so as to abolish it.

Treasury of Scripture Knowledge

Summary

And God spake on this wise, That his seed should sojourn in a strange land; and that they should bring them into bondage, and entreat them evil four hundred years.

Bible References

That

Genesis 15:13
And He said to Abram, You must surely know that your seed shall be a stranger in a land not theirs, and shall serve them. And they shall afflict them four hundred years.

Four

Exodus 12:40
And the time that the sons of Israel lived in Egypt was four hundred and thirty years.
Galatians 3:17
And I say this, A covenant having been ratified by God in Christ, the Law (coming into being four hundred and thirty years after) does not annul the promise, so as to abolish it.